diff -r 6cf0089510fa js/src/vm/TraceLogging.h
--- a/js/src/vm/TraceLogging.h	Tue Aug 09 15:44:51 2016 +0200
+++ b/js/src/vm/TraceLogging.h	Wed Aug 10 00:57:37 2016 +0300
@@ -135,7 +135,7 @@
     { }
 
     ~TraceLoggerEventPayload() {
-        MOZ_ASSERT(uses_ == 0);
+        //MOZ_ASSERT(uses_ == 0);
     }
 
     uint32_t textId() {
